04-13-2022, 06:02 AM
Yes, you can install tow-boot in place of uboot on an existing mobian emmc install. I've just done it on mine which was installed via the installer image with encrypted rootfs. I just made sure mobian had a full upgrade and autoremove, which removed the old u-boot-sunxi package. I checked to see /boot/extlinux/extlinux.conf was present since that's what tow-boot will read to see what to boot, then followed the tow-boot installation instructions:
https://tow-boot.org/devices/pine64-pinephoneA64.html
It now boots emmc mobian as before by default, and volume up boots onto the usb disk mode that's similar to JumpDrive as the instructions say it should. I haven't tried booting uSD cards yet, and I don't think tow-boot can do anything about the A64 using a bootloader on the uSD first if one is present.
https://tow-boot.org/devices/pine64-pinephoneA64.html
It now boots emmc mobian as before by default, and volume up boots onto the usb disk mode that's similar to JumpDrive as the instructions say it should. I haven't tried booting uSD cards yet, and I don't think tow-boot can do anything about the A64 using a bootloader on the uSD first if one is present.